1 of 2
Story summary
- Interstellar comet 3I/ATLAS, discovered in July 2025, shows unusual chemical properties, including pure nickel emissions.
- Its gas trail has a high carbon dioxide-to-water ratio, prompting questions about its formation.
- Avi Loeb suggests using NASA's Mars Reconnaissance Orbiter for closer observation as the comet approaches Mars on October 3, 2025.
- The comet may be over 7 billion years old, possibly from an ancient star system.
- Ongoing studies seek to clarify its composition and potential links to extraterrestrial life.
1 / 2
